October weather forecast
Sebastopol, CA

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Weather in October

October, like September, is another pleasant autumn month in Sebastopol, California, with an average temperature ranging between min 51.8°F (11°C) and max 72.3°F (22.4°C).

Temperature

Sebastopol's October weather shows a modest shift in high-temperatures, falling from September's moderately hot 79°F (26.1°C) to a pleasant 72.3°F (22.4°C). Sebastopol cools down to an average low-temperature of 51.8°F (11°C) throughout the month of October.

Humidity

In October, the average relative humidity is 64%.

Rainfall

In Sebastopol, in October, during 4.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Sebastopol, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

Daylight

In Sebastopol, California, the average length of the day in October is 11h and 11min.
On the first day of October, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:12 pm PDT.

Sunshine

In Sebastopol, California, the average sunshine in October is 6.9h.

UV index

In October, the average daily maximum UV index in Sebastopol is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

Sebastopol in October has an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 51.8°F (11°C).

What is the average humidity in October?

In Sebastopol, the average relative humidity in October is 64%.

How many days does it rain in October in Sebastopol?

In Sebastopol, in October, during 4.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

What is the average length of the day in October?

In October, the average day length is 11h and 11min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:12 pm PDT.

How many hours of sunshine does Sebastopol have in October?

In Sebastopol, the average sunshine duration in October is 6.9h.

How high is the UV index in October?

In Sebastopol, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Sebastopol, CA

Average temperature in October - Sebastopol, CA
  • Average high temperature in October: 72.3°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in October: 51.8°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in October
Sebastopol, CA

Average pressure in October - Sebastopol, CA
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in October
Sebastopol, CA

Average wind speed in October - Sebastopol, CA
  • Average wind speed in October: 5.1mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

Average humidity in October
Sebastopol, CA

Average humidity in October - Sebastopol, CA
  • Average humidity in October: 64%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

Average rainfall in October
Sebastopol, CA

Average rainfall in October - Sebastopol, CA
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
Sebastopol, CA

Average rainfall days in October - Sebastopol, CA
  • Average rainfall days in October: 4.8 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

Average daylight in October /
Average sunshine in October
Sebastopol, CA

Average daylight in October / Average sunshine in October - Sebastopol, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in October
Sebastopol, CA

Average sunshine days in October - Sebastopol, CA
  • Average sunshine days in October: 24.8 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

Average UV index in October
Sebastopol, CA

Average UV index in October - Sebastopol, CA
  • Average UV index in October: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in October
Sebastopol, CA

Average cloud cover in October - Sebastopol, CA
  • Average cloud cover in October: 18

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in October
Sebastopol, CA

Average visibility in October - Sebastopol, CA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Sebastopol, California, USA

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